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Finding the Fourth Proportional to 292,784.16, 404,053.44 and 165,473.76

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Solution

The fourth proportional to 292,784.16, 404,053.44 and 165,473.76 is: 228,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,784.16 : 404,053.44 = 165,473.76 : x
  2. Step 2: Convert to fraction form
    292,784.16/404,053.44 = 165,473.76/x
  3. Step 3: Cross multiply
    292,784.16x = 404,053.44 × 165,473.76
  4. Step 4: Simplify right side
    292,784.16x = 66,860,241,957.73
  5. Step 5: Solve for x
    x = 66,860,241,957.73/292,784.16
  6. Step 6: Final answer
    x = 228,360.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.